CN103676098B - Optical image capturing lens assembly - Google Patents
Optical image capturing lens assembly Download PDFInfo
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- CN103676098B CN103676098B CN201210413182.6A CN201210413182A CN103676098B CN 103676098 B CN103676098 B CN 103676098B CN 201210413182 A CN201210413182 A CN 201210413182A CN 103676098 B CN103676098 B CN 103676098B
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- 230000003287 optical effect Effects 0.000 title claims abstract description 252
- 230000008859 change Effects 0.000 claims abstract description 35
- 230000002093 peripheral effect Effects 0.000 claims abstract description 35
- 238000003384 imaging method Methods 0.000 claims abstract description 32
- 230000000007 visual effect Effects 0.000 claims description 12
- 230000004075 alteration Effects 0.000 abstract description 33
- 239000000463 material Substances 0.000 description 57
- 229920003023 plastic Polymers 0.000 description 45
- 239000004033 plastic Substances 0.000 description 45
- 238000010586 diagram Methods 0.000 description 27
- 201000009310 astigmatism Diseases 0.000 description 20
- 238000001914 filtration Methods 0.000 description 18
- 239000011521 glass Substances 0.000 description 13
- 230000007423 decrease Effects 0.000 description 4
- 238000004904 shortening Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000003071 parasitic effect Effects 0.000 description 1
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- 210000001747 pupil Anatomy 0.000 description 1
- NHDHVHZZCFYRSB-UHFFFAOYSA-N pyriproxyfen Chemical compound C=1C=CC=NC=1OC(C)COC(C=C1)=CC=C1OC1=CC=CC=C1 NHDHVHZZCFYRSB-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
- G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
- G02B13/0045—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having five or more lenses
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Abstract
The invention relates to an optical image capturing lens system, which sequentially comprises a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element from an object side to an image side. The first lens element with refractive power has a concave object-side surface at a paraxial region and a change from concave to convex at a peripheral region, and both the object-side surface and the image-side surface are aspheric. The second lens element has refractive power. The third lens element with positive refractive power. The fourth lens element with negative refractive power. The fifth lens element with positive refractive power has a convex object-side surface at a paraxial region and a concave image-side surface at a paraxial region, and the surfaces thereof change from concave at the paraxial region to convex at a peripheral region, and are aspheric. Therefore, the field angle of the optical image capturing lens system can be improved, the distortion aberration can be corrected, and the imaging quality can be improved.
Description
Technical field
The present invention relates to a kind of optical image capture system mirror group, and particularly relate to a kind of miniaturized optical image acquisition system mirror group be applied on electronic product.
Background technology
Recent years, along with the rise of portable type electronic product with camera function, the demand of miniaturized optical mirror group day by day improves, and the photosensory assembly of general optical frames group is nothing more than being photosensitive coupling component (ChargeCoupledDevice, or Complimentary Metal-Oxide semiconductor subassembly (ComplementaryMetal-OxideSemiconductorSensor CCD), CMOSSensor) two kinds, and progressing greatly along with manufacture of semiconductor technology, the Pixel Dimensions of photosensory assembly is reduced, miniaturized optical mirror group develops to high pixel neighborhoods gradually, therefore, the requirement of image quality is also increased day by day.
Tradition is equipped on the miniaturized optical mirror group on portable type electronic product, as United States Patent (USP) the 8th, 179, shown in No. 470, many employings quadruple lenses structure is main, but prevailing due to high standard running gears such as intelligent mobile phone (SmartPhone) and PDA (PersonalDigitalAssistant), drive miniaturized optical mirror group riseing rapidly in pixel and image quality, known four-piece type optical frames group cannot meet the optical frames group of more high-order.
The five chip optical frames groups though make further progress at present, as United States Patent (USP) the 8th, 000, No. 031 disclosed, it is the optical frames group with five eyeglasses, but the thing side surface of its first lens does not design the concave surface having and expand field angle, and the field angle of its entirety is restricted, and the design of its lens face shape deflection also cannot revise the generation of distortion (Distortion) aberration effectively, therefore easily causes image distortion and affects image quality.
Summary of the invention
The invention provides a kind of optical image capture system mirror group, the first lens thing side surface is configured to concave surface, is conducive to the field angle of improving optical image acquisition system mirror group.There is to peripheral place the change being turned convex surface by concave surface by dipped beam axle in the first lens thing side surface, significantly aspheric surface external form can increase the distortion aberration produced, to avoid deformation of image distortion in modifying factor visual angle thus.There is to peripheral place the change being turned convex surface by concave surface in the 5th surface, lens image side by dipped beam axle, the angle that marginal ray is incident in imaging surface can be revised thus, suitable angle can be avoided the excessive decline of relative exposure (RelativeIllumination, RI) and improve image quality.
One aspect of the present invention provides a kind of optical image capture system mirror group, sequentially comprises the first lens, the second lens, the 3rd lens, the 4th lens and the 5th lens by thing side to image side.First lens have refracting power, and its thing side surface is concave surface in dipped beam axle place and there is to peripheral place the change being turned convex surface by concave surface by dipped beam axle, and its thing side surface and surface, image side are all aspheric surface.Second lens have refracting power.3rd lens have positive refracting power.4th lens have negative refracting power.5th lens have positive refracting power, and its thing side surface is convex surface in dipped beam axle place, image side is surperficial is concave surface in dipped beam axle place and there is to peripheral place the change being turned convex surface by concave surface by dipped beam axle, and its thing side surface and surface, image side are all aspheric surface.
Another aspect of the present invention provides a kind of optical image capture system mirror group, sequentially comprises the first lens, the second lens, the 3rd lens, the 4th lens and the 5th lens by thing side to image side.First lens have refracting power, and its thing side surface is concave surface in dipped beam axle place, and its thing side surface and surface, image side are all aspheric surface.Second lens have refracting power.3rd lens have positive refracting power.4th lens have negative refracting power.5th lens have positive refracting power, and its thing side surface is convex surface in dipped beam axle place, image side is surperficial is concave surface in dipped beam axle place and there is to peripheral place the change being turned convex surface by concave surface by dipped beam axle, and its thing side surface and surface, image side are all aspheric surface.Wherein, the optics effective radius of the first lens thing side surface is Y11, and the optics effective radius on the 5th surface, lens image side is Y52, and it meets following condition:
0.7<|Y11/Y52|<1.2。
Another aspect of the present invention is providing a kind of optical image capture system mirror group, sequentially comprising the first lens, the second lens, the 3rd lens, the 4th lens and the 5th lens by thing side to image side.First lens have refracting power, and its thing side surface is concave surface in dipped beam axle place and there is to peripheral place the change being turned convex surface by concave surface by dipped beam axle, and its thing side surface and surface, image side are all aspheric surface.Second lens have refracting power.3rd lens have positive refracting power.4th lens have negative refracting power.5th lens have positive refracting power, and its thing side surface is convex surface in dipped beam axle place, image side is surperficial is concave surface in dipped beam axle place and there is to peripheral place the change being turned convex surface by concave surface by dipped beam axle, and its thing side surface and surface, image side are all aspheric surface.Wherein, on the thing side surface of the first lens, except with except the intersection point of optical axis, one tangent plane of thing side surface vertical optical axis, one point of contact of this tangent plane and thing side surface, the vertical range of this point of contact and optical axis is Yc11, and this point of contact and thing side surface are SAGc11 in the horizontal range of optical axes crosspoint; The image side of the 5th lens on the surface, except with except the intersection point of optical axis, one tangent plane of surface, image side vertical optical axis, one point of contact on this tangent plane and surface, image side, the vertical range of this point of contact and optical axis is Yc52, this point of contact and surface, image side are SAGc52 in the horizontal range of optical axes crosspoint, and wherein SAGc11/Yc11 is angle θ
1tangent value tan θ
1, SAGc52/Yc52 is angle θ
2tangent value tan θ
2, it meets following condition:
0<tan θ
1<0.3; And
0<tanθ
2<0.5。
When Y11/Y52 meets above-mentioned condition, suitably can adjust required field angle and distort with minimizing image, and the angle that marginal ray is incident in imaging surface can be revised, to promote image quality.
As tan θ
1when meeting above-mentioned condition, the thing side surface of the first lens has and changes more significantly, can increase the distortion aberration produced, to avoid deformation of image distortion in modifying factor visual angle.
As tan θ
2when meeting above-mentioned condition, the surface, image side of the 5th lens has and changes more significantly, can revise the angle that marginal ray is incident in imaging surface, suitable angle can avoid relative exposure (RI) excessively decline with improve image quality.
Accompanying drawing explanation
In order to make above and other objects of the present invention, feature, advantage and embodiment become apparent, provide accompanying drawing, in the accompanying drawings:
Fig. 1 illustrates the schematic diagram of a kind of optical image capture system mirror group according to first embodiment of the invention.
Fig. 2 is sequentially spherical aberration, the astigmatism of the optical image capture system mirror group of the first embodiment from left to right and distorts curve map.
Fig. 3 illustrates the schematic diagram of a kind of optical image capture system mirror group according to second embodiment of the invention.
Fig. 4 is sequentially spherical aberration, the astigmatism of the optical image capture system mirror group of the second embodiment from left to right and distorts curve map.
Fig. 5 illustrates the schematic diagram of a kind of optical image capture system mirror group according to third embodiment of the invention.
Fig. 6 is sequentially spherical aberration, the astigmatism of the optical image capture system mirror group of the 3rd embodiment from left to right and distorts curve map.
Fig. 7 illustrates the schematic diagram of a kind of optical image capture system mirror group according to fourth embodiment of the invention.
Fig. 8 is sequentially spherical aberration, the astigmatism of the optical image capture system mirror group of the 4th embodiment from left to right and distorts curve map.
Fig. 9 illustrates the schematic diagram of a kind of optical image capture system mirror group according to fifth embodiment of the invention.
Figure 10 is sequentially spherical aberration, the astigmatism of the optical image capture system mirror group of the 5th embodiment from left to right and distorts curve map.
Figure 11 illustrates the schematic diagram of a kind of optical image capture system mirror group according to sixth embodiment of the invention.
Figure 12 is sequentially spherical aberration, the astigmatism of the optical image capture system mirror group of the 6th embodiment from left to right and distorts curve map.
Figure 13 illustrates the schematic diagram of a kind of optical image capture system mirror group according to seventh embodiment of the invention.
Figure 14 is sequentially spherical aberration, the astigmatism of the optical image capture system mirror group of the 7th embodiment from left to right and distorts curve map.
Figure 15 illustrates the schematic diagram of a kind of optical image capture system mirror group according to eighth embodiment of the invention.
Figure 16 is sequentially spherical aberration, the astigmatism of the optical image capture system mirror group of the 8th embodiment from left to right and distorts curve map.
Figure 17 illustrates the schematic diagram of a kind of optical image capture system mirror group according to ninth embodiment of the invention.
Figure 18 is sequentially spherical aberration, the astigmatism of the optical image capture system mirror group of the 9th embodiment from left to right and distorts curve map.
Figure 19 illustrates the schematic diagram of the first lens parameter Y11 in the optical image capture system mirror group according to first embodiment of the invention.
Figure 20 illustrates the schematic diagram of the 5th lens parameter Y52 in the optical image capture system mirror group according to first embodiment of the invention.
Figure 21 illustrates the schematic diagram of the first lens parameter Yc11 and SAGc11 in the optical image capture system mirror group according to first embodiment of the invention.
Figure 22 illustrates the schematic diagram of the 5th lens parameter Yc52 and SAGc52 in the optical image capture system mirror group according to first embodiment of the invention.
Embodiment
The invention provides a kind of optical image capture system mirror group, sequentially comprise the first lens, the second lens, the 3rd lens, the 4th lens and the 5th lens by thing side to image side.
First lens can have positive refracting power, and its thing side surface is concave surface in dipped beam axle place, surface, image side can be convex surface in dipped beam axle place, is conducive to the field angle of improving optical image acquisition system mirror group.Moreover there is to peripheral place the change being turned convex surface by concave surface by dipped beam axle in the first lens thing side surface, can increase the distortion aberration produced, to avoid deformation of image distortion in modifying factor visual angle thus.
3rd lens have positive refracting power, and its surface, image side can be convex surface in dipped beam axle place.Thus, the 3rd lens can provide the main positive refracting power needed for optical image capture system mirror group, suitably to adjust and to shorten its total length.
4th lens have negative refracting power, and its thing side surface can be concave surface in dipped beam axle place, surface, image side can be convex surface in dipped beam axle place.Thus, the 4th lens can revise the aberration and astigmatism that optical image capture system mirror group produces.
5th lens can have positive refracting power, its thing side surface is convex surface in dipped beam axle place, surface, image side is concave surface in dipped beam axle place, the principal point (PrincipalPoint) of optical image capture system mirror group can be made away from imaging surface, be conducive to the total length shortening optical image capture system mirror group.Further, there is to peripheral place the change being turned convex surface by concave surface in the 5th surface, lens image side by dipped beam axle, can revise the angle that marginal ray is incident in imaging surface thus, suitable angle can avoid relative exposure (RI) excessively decline and raising image quality.
The image side of the 5th lens on the surface, except with except the intersection point of optical axis, one tangent plane of surface, image side vertical optical axis, one point of contact on this tangent plane and surface, image side, the vertical range of this point of contact and optical axis is Yc52, the optics effective radius of the 5th surface, lens image side is Y52, and it meets following condition: 0.60<|Yc52/Y52|≤1.0.Thus, central vision can be made and be all subject to good correction from the aberration of axle visual field.
The focal length of optical image capture system mirror group is f, and the focal length of the first lens is f1, and the focal length of the second lens is f2, and it meets following condition: 0<|f/f1|+|f/f2|<0.8.Thus, the refracting power of the first lens and the second lens is comparatively suitable, contributes to the overall length of shortening optical image eyeglass system group and revises its aberration.
The optics effective radius of the first lens thing side surface is Y11, and the optics effective radius on the 5th surface, lens image side is Y52, and it meets following condition: 0.7<|Y11/Y52|<1.2.Thus, suitably can adjust required field angle and distort with minimizing image, and the angle that marginal ray is incident in imaging surface can be revised, to promote image quality.
The image side surface curvature radius of the 3rd lens is R6, and the thickness of the 3rd lens on optical axis is CT3, and it meets following condition :-1.3<R6/CT3<-0.50.Thus, contribute to shortening its total length, and suitably adjust lens thickness, the making being beneficial to eyeglass is shaping.
On the thing side surface of the first lens, except with except the intersection point of optical axis, one tangent plane of thing side surface vertical optical axis, one point of contact of this tangent plane and thing side surface, the vertical range of this point of contact and optical axis is Yc11, the optics effective radius of the first lens thing side surface is Y11, and it meets following condition: 0.55<|Yc11/Y11|≤1.0.Thus, be conducive to the field angle promoting this lens assembly, and distortion aberration can be revised to avoid image distortion simultaneously.
On the thing side surface of the first lens, except with except the intersection point of optical axis, one tangent plane of thing side surface vertical optical axis, one point of contact of this tangent plane and thing side surface, the vertical range of this point of contact and optical axis is Yc11, this point of contact and thing side surface are SAGc11 in the horizontal range of optical axes crosspoint, and wherein SAGc11/Yc11 is angle θ
1tangent value tan θ
1, it meets following condition: 0<tan θ
1<0.30.Thus, the thing side surface of the first lens has and changes more significantly, can increase the distortion aberration produced, to avoid deformation of image distortion in modifying factor visual angle.
The abbe number of the 3rd lens is V3, and the abbe number of the 4th lens is V4, and it meets following condition: 25.0<V3-V4<48.0.Thus, the correction of optical image capture system mirror group aberration is contributed to.Preferably, following condition can be met: 32.0<V3-V4<48.0.
The maximum visual angle of optical image capture system mirror group is FOV, and it meets following condition: 80 degree of <FOV<115 degree.Thus, optical image capture system mirror group can have suitable comparatively Large visual angle angle.
Maximum distortion rate (%) in the areas imaging of optical image capture system mirror group is Dist_max, and it meets following condition: | Dist_max|<3%.Thus, optical image capture system mirror group has lower distortion aberration, can avoid image distortion.
On the thing side surface of the first lens, except with except the intersection point of optical axis, a tangent plane of thing side surface vertical optical axis, a point of contact of this tangent plane and thing side surface, the vertical range of this point of contact and optical axis is Yc11, and this point of contact and thing side surface are SAGc11 in the horizontal range of optical axes crosspoint; The image side of the 5th lens on the surface, except with except the intersection point of optical axis, one tangent plane of surface, image side vertical optical axis, one point of contact on this tangent plane and surface, image side, the vertical range of this point of contact and optical axis is Yc52, this point of contact and surface, image side are SAGc52 in the horizontal range of optical axes crosspoint, and wherein SAGc11/Yc11 is angle θ
1tangent value tan θ
1, SAGc52/Yc52 is angle θ
2tangent value tan θ
2, it meets following condition: tan θ
1<tan θ
2.Thus, suitably can adjust required field angle and distort with minimizing image, and central vision can be made and be all subject to good correction, to promote image quality from the aberration of axle visual field.
The radius-of-curvature of the first lens thing side surface is Ro1, the radius-of-curvature of the first surface, lens image side is Ri1, the radius-of-curvature of the second lens thing side surface is Ro2, the radius-of-curvature of the second surface, lens image side is Ri2, the radius-of-curvature of the 3rd lens thing side surface is Ro3, the radius-of-curvature of the 3rd surface, lens image side is Ri3, the radius-of-curvature of the 4th lens thing side surface is Ro4, the radius-of-curvature of the 4th surface, lens image side is Ri4, the radius-of-curvature of the 5th lens thing side surface is Ro5, the radius-of-curvature of the 5th surface, lens image side is Ri5, it meets following condition: 0<Ro1/Ri1, 0<Ro2/Ri2, 0<Ro3/Ri3, 0<Ro4/Ri4, and 0<Ro5/Ri5.Thus, update the system astigmatism is conducive to promote image quality.
The image side of the 5th lens on the surface, except with except the intersection point of optical axis, one tangent plane of surface, image side vertical optical axis, one point of contact on this tangent plane and surface, image side, the vertical range of this point of contact and optical axis is Yc52, this point of contact and surface, image side are SAGc52 in the horizontal range of optical axes crosspoint, and wherein SAGc52/Yc52 is angle θ
2tangent value tan θ
2, it meets following condition: 0<tan θ
2<0.5.Thus, the surface, image side of the 5th lens has and changes more significantly, can revise the angle that marginal ray is incident in imaging surface, suitable angle can avoid relative exposure (RI) excessively decline with improve image quality.
In optical image capture system mirror group provided by the invention, the material of lens can be plastics or glass.When lens material is plastics, effectively production cost can be reduced.The another material when lens is glass, then can increase the degree of freedom of optical image capture system mirror group refracting power configuration.In addition, in optical image capture system mirror group, the first lens are all aspheric surface to the thing side surface of the 5th lens and surface, image side, aspheric surface easily can be made into the shape beyond sphere, obtain more control variable, in order to cut down aberration, and then the number that reduction lens use, therefore effectively can reduce the total length of optical image capture system mirror group of the present invention.
Moreover, the invention provides in optical image capture system mirror group, if lens surface is convex surface, then represent that lens surface is convex surface in dipped beam axle place; If lens surface is concave surface, then represent that lens surface is concave surface in dipped beam axle place.
In addition, in optical image capture system mirror group of the present invention, at least one diaphragm can be set on demand, to reduce parasitic light, contribute to promoting the quality of image.
In optical image capture system mirror group of the present invention, aperture configuration can be preposition aperture or mid-aperture, and wherein preposition aperture meaning and aperture are arranged between object and the first lens, and mid-aperture then represents that aperture is arranged between the first lens and imaging surface.If aperture is preposition aperture, the outgoing pupil (ExitPupil) of optical image capture system mirror group and imaging surface can be made to produce longer distance, what make has the heart far away (Telecentric) effect, and CCD or CMOS that can increase image sensing component receives the efficiency of image; If mid-aperture, be the field angle contributing to expansion system, make optical image capture system mirror group have the advantage of wide-angle lens.
According to above-mentioned embodiment, below propose specific embodiment and coordinate accompanying drawing to be described in detail.
< first embodiment >
With reference to Fig. 1 and Fig. 2, wherein Fig. 1 illustrates the schematic diagram of a kind of optical image capture system mirror group according to first embodiment of the invention, and Fig. 2 is sequentially spherical aberration, the astigmatism of the optical image capture system mirror group of the first embodiment from left to right and distorts curve map.As shown in Figure 1, the optical image capture system mirror group of the first embodiment sequentially comprises the first lens 110, second lens 120, aperture 100, the 3rd lens 130, the 4th lens 140, the 5th lens 150, infrared ray filtering optical filter (IRFilter) 170 and imaging surface 160 by thing side to image side.
First lens 110 are plastic material, and it has positive refracting power.The thing side surface 111 of the first lens 110 is concave surface in dipped beam axle place and is had by dipped beam axle to peripheral place that to turn the change of convex surface, surface, image side 112 in dipped beam axle by concave surface be convex surface, and is all aspheric surface.
Second lens 120 are plastic material, and it has negative refracting power.The thing side surface 121 of the second lens 120 is concave surface, surface, image side 122 is convex surface, and is all aspheric surface.
3rd lens 130 are plastic material, and it has positive refracting power.The thing side surface 131 of the 3rd lens 130 is all convex surface in dipped beam axle place and surface, image side 132 in dipped beam axle place, and is all aspheric surface.
4th lens 140 are plastic material, and it has negative refracting power.The thing side surface 141 of the 4th lens 140 is concave surface in dipped beam axle place, surface, image side 142 is convex surface in dipped beam axle place, and is all aspheric surface.
5th lens 150 are plastic material, and it has positive refracting power.The thing side surface 151 of the 5th lens 150 is convex surface in dipped beam axle place, surface, image side 152 is concave surface in dipped beam axle place and there is to peripheral place the change being turned convex surface by concave surface by dipped beam axle, and is all aspheric surface.
The material of infrared ray filtering optical filter 170 is glass, and it is arranged between the 5th lens 150 and imaging surface 160, does not affect the focal length of optical image capture system mirror group.
The aspheric fitting equation of above-mentioned each lens is expressed as follows:
Wherein:
X: in aspheric surface, distance optical axis is the point of Y, its be tangential on the relative height of summit tangent plane on aspheric optical axis;
Y: the point in aspheric curve and the distance of optical axis;
R: radius-of-curvature;
K: conical surface coefficient; And
Ai: the i-th rank asphericity coefficient.
In the optical image capture system mirror group of the first embodiment, the focal length of optical image capture system mirror group is f, the f-number (f-number) of optical image capture system mirror group is Fno, and in optical image capture system mirror group, the half at maximum visual angle is HFOV, f=1.35mm; Fno=2.30; And HFOV=48.1 degree.
In the optical image capture system mirror group of the first embodiment, the abbe number of the 3rd lens 130 is V3, and the abbe number of the 4th lens 140 is V4, and it meets following condition: V3-V4=32.6.
In the optical image capture system mirror group of the first embodiment, surface, image side 132 radius-of-curvature of the 3rd lens 130 are R6, and the thickness of the 3rd lens 130 on optical axis is CT3, and it meets following condition: R6/CT3=-0.86.
In the optical image capture system mirror group of the first embodiment, the focal length of optical image capture system mirror group is f, and the focal length of the first lens 110 is f1, and the focal length of these the second lens 120 is f2, and it meets following condition: | f/f1+|f/f2|=0.35.
Coordinate with reference to Figure 19 and Figure 20, the schematic diagram of the first lens 110 parameter Y11 during wherein Figure 19 system illustrates according to first embodiment of the invention optical image capture system mirror group, Figure 20 system illustrates the schematic diagram of the 5th lens 150 parameter Y52 in the optical image capture system mirror group according to first embodiment of the invention.From the 19th and 20 figure, the optics effective radius of the first lens 110 thing side surface 111 is Y11, and the optics effective radius on the 5th surface, lens 150 image side 152 is Y52.It meets following condition: | Y11/Y52|=0.93.
In the optical image capture system mirror group of the first embodiment, on the thing side surface 111 of the first lens 110, except with except the intersection point of optical axis, one tangent plane of thing side surface 111 vertical optical axis, one point of contact of this tangent plane and thing side surface 111, the vertical range of this point of contact and optical axis is Yc11, and the optics effective radius of the first lens 110 thing side surface 111 is Y11, and it meets following condition: | Yc11/Y11|=0.68.
Coordinating with reference to Figure 21, is the schematic diagram illustrating the first lens 110 parameter Yc11 and SAGc11 in the optical image capture system mirror group according to first embodiment of the invention.As shown in Figure 21, on the thing side surface 111 of the first lens 110, except with except the intersection point of optical axis, one tangent plane of thing side surface 111 vertical optical axis, one point of contact of this tangent plane and thing side surface 111, the vertical range of this point of contact and optical axis is Yc11, and this point of contact and thing side surface 111 are SAGc11 in the horizontal range of optical axes crosspoint, thus, definable goes out angle θ
1tangent value (Tangent) tan θ
1=SAGc11/Yc11, and meet following condition: tan θ
1=0.083.
Coordinating with reference to Figure 22, is the schematic diagram illustrating the 5th lens 150 parameter Yc52 and SAGc52 in the optical image capture system mirror group according to first embodiment of the invention.As shown in Figure 22, on the surface, image side 152 of the 5th lens 150, except with except the intersection point of optical axis, one tangent plane of surface, image side 152 vertical optical axis, one point of contact on this tangent plane and surface, image side 152, the vertical range of this point of contact and optical axis is Yc52, and this point of contact and surface, image side 152 are SAGc52 in the horizontal range of optical axes crosspoint, thus, definable goes out angle θ
2tangent value (Tangent) tan θ
2=SAGc52/Yc52, and meet following condition: tan θ
2=0.198.
In the optical image capture system mirror group of the first embodiment, the maximal value distorted in the areas imaging of optical image capture system mirror group is Dist_max, and it meets following condition: | Dist_max|=1.73%.
In the optical image capture system mirror group of the first embodiment, the maximum visual angle of optical image capture system mirror group is FOV, and it meets following condition: FOV=96.2 degree.
Coordinate again with reference to lower list one and table two.
Table one is the structured data that Fig. 1 first embodiment is detailed, and wherein the unit of radius-of-curvature, thickness and focal length is mm, and surperficial 0-14 sequentially represents by the surface of thing side to image side.Table two is the aspherical surface data in the first embodiment, and wherein, k shows the conical surface coefficient in aspheric curve equation, and A1-A16 then represents each surperficial 1-16 rank asphericity coefficient.In addition, following embodiment form is schematic diagram and the aberration curve figure of corresponding each embodiment, and in form, the definition of data is all identical with the table one of the first embodiment and the definition of table two, does not add repeat at this.
< second embodiment >
With reference to Fig. 3 and Fig. 4, wherein Fig. 3 illustrates the schematic diagram of a kind of optical image capture system mirror group according to second embodiment of the invention, and Fig. 4 is sequentially spherical aberration, the astigmatism of the optical image capture system mirror group of the second embodiment from left to right and distorts curve map.As shown in Figure 3, the optical image capture system mirror group of the second embodiment sequentially comprises the first lens 210, second lens 220, aperture 200, the 3rd lens 230, the 4th lens 240, the 5th lens 250, infrared ray filtering optical filter (IRFilter) 270 and imaging surface 260 by thing side to image side.
First lens 210 are plastic material, and it has positive refracting power.The thing side surface 211 of the first lens 210 is concave surface in dipped beam axle place and is had by dipped beam axle to peripheral place that to turn the change of convex surface, surface, image side 212 in dipped beam axle by concave surface be convex surface, and is all aspheric surface.
Second lens 220 are plastic material, and it has negative refracting power.The thing side surface 221 of the second lens 220 is concave surface, surface, image side 222 is convex surface, and is all aspheric surface.
3rd lens 230 are plastic material, and it has positive refracting power.The thing side surface 231 of the 3rd lens 230 is concave surface in dipped beam axle place, surface, image side 232 is convex surface in dipped beam axle place, and is all aspheric surface.
4th lens 240 are plastic material, and it has negative refracting power.The thing side surface 241 of the 4th lens 240 is concave surface in dipped beam axle place, surface, image side 242 is convex surface in dipped beam axle place, and is all aspheric surface.
5th lens 250 are plastic material, and it has positive refracting power.The thing side surface 251 of the 5th lens 250 is convex surface in dipped beam axle place, surface, image side 252 is concave surface in dipped beam axle place and there is to peripheral place the change being turned convex surface by concave surface by dipped beam axle, and is all aspheric surface.
The material of infrared ray filtering optical filter 270 is glass, and it is arranged between the 5th lens 250 and imaging surface 260, does not affect the focal length of optical image capture system mirror group.
Coordinate with reference to lower list three and table four.
In second embodiment, aspheric fitting equation represents the form as the first embodiment.In addition, f, Fno, HFOV, V3, V4, R6, CT3, f1, f2, Y11, Y52, Yc11, Yc52, Dist_max, tan θ
1, tan θ
2and the definition of FOV is all identical with the first embodiment, not in this to go forth.
Cooperation table three can extrapolate following data:
< the 3rd embodiment >
With reference to Fig. 5 and Fig. 6, wherein Fig. 5 illustrates the schematic diagram of a kind of optical image capture system mirror group according to third embodiment of the invention, and Fig. 6 is sequentially spherical aberration, the astigmatism of the optical image capture system mirror group of the 3rd embodiment from left to right and distorts curve map.As shown in Figure 5, the optical image capture system mirror group of the 3rd embodiment sequentially comprises the first lens 310, second lens 320, aperture 300, the 3rd lens 330, the 4th lens 340, the 5th lens 350, infrared ray filtering optical filter (IRFilter) 370 and imaging surface 360 by thing side to image side.
First lens 310 are plastic material, and it has positive refracting power.The thing side surface 311 of the first lens 310 is concave surface in dipped beam axle place and is had by dipped beam axle to peripheral place that to turn the change of convex surface, surface, image side 312 in dipped beam axle by concave surface be convex surface, and is all aspheric surface.
Second lens 320 are plastic material, and it has positive refracting power.The thing side surface 321 of the second lens 320 is concave surface, surface, image side 322 is convex surface, and is all aspheric surface.
3rd lens 330 are plastic material, and it has positive refracting power.The thing side surface 331 of the 3rd lens 330 is all convex surface in dipped beam axle place and surface, image side 332 in dipped beam axle place, and is all aspheric surface.
4th lens 340 are plastic material, and it has negative refracting power.The thing side surface 341 of the 4th lens 340 is concave surface in dipped beam axle place, surface, image side 342 is convex surface in dipped beam axle place, and is all aspheric surface.
5th lens 350 are plastic material, and it has positive refracting power.The thing side surface 351 of the 5th lens 350 is convex surface in dipped beam axle place, surface, image side 352 is concave surface in dipped beam axle place and there is to peripheral place the change being turned convex surface by concave surface by dipped beam axle, and is all aspheric surface.
The material of infrared ray filtering optical filter 370 is glass, and it is arranged between the 5th lens 350 and imaging surface 360, does not affect the focal length of optical image capture system mirror group.
Coordinate with reference to lower list five and table six.
In 3rd embodiment, aspheric fitting equation represents the form as the first embodiment.In addition, f, Fno, HFOV, V3, V4, R6, CT3, f1, f2, Y11, Y52, Yc11, Yc52, Dist_max, tan θ
1, tan θ
2and the definition of FOV is all identical with the first embodiment, not in this to go forth.
Cooperation table five can extrapolate following data:
< the 4th embodiment >
With reference to Fig. 7 and Fig. 8, wherein Fig. 7 illustrates the schematic diagram of a kind of optical image capture system mirror group according to fourth embodiment of the invention, and Fig. 8 is sequentially spherical aberration, the astigmatism of the optical image capture system mirror group of the 4th embodiment from left to right and distorts curve map.As shown in Figure 7, the optical image capture system mirror group of the 4th embodiment sequentially comprises the first lens 410, second lens 420, aperture 400, the 3rd lens 430, the 4th lens 440, the 5th lens 450, infrared ray filtering optical filter (IRFilter) 470 and imaging surface 460 by thing side to image side.
First lens 410 are plastic material, and it has positive refracting power.The thing side surface 411 of the first lens 410 is concave surface in dipped beam axle place and is had by dipped beam axle to peripheral place that to turn the change of convex surface, surface, image side 412 in dipped beam axle by concave surface be convex surface, and is all aspheric surface.
Second lens 420 are plastic material, and it has positive refracting power.The thing side surface 421 of the second lens 420 is concave surface, surface, image side 422 is convex surface, and is all aspheric surface.
3rd lens 430 are glass material, and it has positive refracting power.The thing side surface 431 of the 3rd lens 430 is concave surface in dipped beam axle place, surface, image side 432 is convex surface in dipped beam axle place, and is all aspheric surface.
4th lens 440 are plastic material, and it has negative refracting power.The thing side surface 441 of the 4th lens 440 is concave surface in dipped beam axle place, surface, image side 442 is convex surface in dipped beam axle place, and is all aspheric surface.
5th lens 450 are plastic material, and it has positive refracting power.The thing side surface 451 of the 5th lens 450 is convex surface in dipped beam axle place, surface, image side 452 is concave surface in dipped beam axle place and there is to peripheral place the change being turned convex surface by concave surface by dipped beam axle, and is all aspheric surface.
The material of infrared ray filtering optical filter 470 is glass, and it is arranged between the 5th lens 450 and imaging surface 460, does not affect the focal length of optical image capture system mirror group.
Coordinate with reference to lower list seven and table eight.
In 4th embodiment, aspheric fitting equation represents the form as the first embodiment.In addition, f, Fno, HFOV, V3, V4, R6, CT3, f1, f2, Y11, Y52, Yc11, Yc52, Dist_max, tan θ
1, tan θ
2and the definition of FOV is all identical with the first embodiment, not in this to go forth.
Cooperation table seven can extrapolate following data:
< the 5th embodiment >
With reference to Fig. 9 and Figure 10, wherein Fig. 9 illustrates the schematic diagram of a kind of optical image capture system mirror group according to fifth embodiment of the invention, and Figure 10 is sequentially spherical aberration, the astigmatism of the optical image capture system mirror group of the 5th embodiment from left to right and distorts curve map.As shown in Figure 9, the optical image capture system mirror group of the 5th embodiment sequentially comprises the first lens 510, second lens 520, aperture 500, the 3rd lens 530, the 4th lens 540, the 5th lens 550, infrared ray filtering optical filter (IRFilter) 570 and imaging surface 560 by thing side to image side.
First lens 510 are plastic material, and it has positive refracting power.The thing side surface 511 of the first lens 510 is concave surface in dipped beam axle place and is had by dipped beam axle to peripheral place that to turn the change of convex surface, surface, image side 512 in dipped beam axle by concave surface be convex surface, and is all aspheric surface.
Second lens 520 are plastic material, and it has negative refracting power.Thing side surface 521 and the surface, image side 522 of the second lens 520 are all concave surface, and are all aspheric surface.
3rd lens 530 are plastic material, and it has positive refracting power.The thing side surface 531 of the 3rd lens 530 is all convex surface in dipped beam axle place and surface, image side 532 in dipped beam axle place, and is all aspheric surface.
4th lens 540 are plastic material, and it has negative refracting power.The thing side surface 541 of the 4th lens 540 is concave surface in dipped beam axle place, surface, image side 542 is convex surface in dipped beam axle place, and is all aspheric surface.
5th lens 550 are plastic material, and it has positive refracting power.The thing side surface 551 of the 5th lens 550 is convex surface in dipped beam axle place, surface, image side 552 is concave surface in dipped beam axle place and there is to peripheral place the change being turned convex surface by concave surface by dipped beam axle, and is all aspheric surface.
The material of infrared ray filtering optical filter 570 is glass, and it is arranged between the 5th lens 550 and imaging surface 560, does not affect the focal length of optical image capture system mirror group.
Coordinate with reference to lower list nine and table ten.
In 5th embodiment, aspheric fitting equation represents the form as the first embodiment.In addition, f, Fno, HFOV, V3, V4, R6, CT3, f1, f2, Y11, Y52, Yc11, Yc52, Dist_max, tan θ
1, tan θ
2and the definition of FOV is all identical with the first embodiment, not in this to go forth.
Cooperation table nine can extrapolate following data:
< the 6th embodiment >
With reference to Figure 11 and Figure 12, wherein Figure 11 illustrates the schematic diagram of a kind of optical image capture system mirror group according to sixth embodiment of the invention, and Figure 12 is sequentially spherical aberration, the astigmatism of the optical image capture system mirror group of the 6th embodiment from left to right and distorts curve map.As shown in Figure 11, the optical image capture system mirror group of the 6th embodiment sequentially comprises the first lens 610, second lens 620, aperture 600, the 3rd lens 630, the 4th lens 640, the 5th lens 650, infrared ray filtering optical filter (IRFilter) 670 and imaging surface 660 by thing side to image side.
First lens 610 are plastic material, and it has positive refracting power.The thing side surface 611 of the first lens 610 is concave surface in dipped beam axle place and is had by dipped beam axle to peripheral place that to turn the change of convex surface, surface, image side 612 in dipped beam axle by concave surface be convex surface, and is all aspheric surface.
Second lens 620 are plastic material, and it has positive refracting power.The thing side surface 621 of the second lens 620 is concave surface, surface, image side 622 is convex surface, and is all aspheric surface.
3rd lens 630 are plastic material, and it has positive refracting power.The thing side surface 631 of the 3rd lens 630 is all convex surface in dipped beam axle place and surface, image side 632 in dipped beam axle place, and is all aspheric surface.
4th lens 640 are plastic material, and it has negative refracting power.The thing side surface 641 of the 4th lens 640 is concave surface in dipped beam axle place, surface, image side 642 is convex surface in dipped beam axle place, and is all aspheric surface.
5th lens 650 are plastic material, and it has positive refracting power.The thing side surface 651 of the 5th lens 650 is convex surface in dipped beam axle place, surface, image side 652 is concave surface in dipped beam axle place and there is to peripheral place the change being turned convex surface by concave surface by dipped beam axle, and is all aspheric surface.
The material of infrared ray filtering optical filter 670 is glass, and it is arranged between the 5th lens 650 and imaging surface 660, does not affect the focal length of optical image capture system mirror group.
Coordinate with reference to lower list 11 and table ten two.
In 6th embodiment, aspheric fitting equation represents the form as the first embodiment.In addition, f, Fno, HFOV, V3, V4, R6, CT3, f1, f2, Y11, Y52, Yc11, Yc52, Dist_max, tan θ
1, tan θ
2and the definition of FOV is all identical with the first embodiment, not in this to go forth.
Cooperation table ten one can extrapolate following data:
< the 7th embodiment >
With reference to Figure 13 and Figure 14, wherein Figure 13 illustrates the schematic diagram of a kind of optical image capture system mirror group according to seventh embodiment of the invention, and Figure 14 is sequentially spherical aberration, the astigmatism of the optical image capture system mirror group of the 7th embodiment from left to right and distorts curve map.As shown in Figure 13, the optical image capture system mirror group of the 7th embodiment sequentially comprises the first lens 710, second lens 720, aperture 700, the 3rd lens 730, the 4th lens 740, the 5th lens 750, infrared ray filtering optical filter (IRFilter) 770 and imaging surface 760 by thing side to image side.
First lens 710 are plastic material, and it has positive refracting power.The thing side surface 711 of the first lens 710 is concave surface in dipped beam axle place and is had by dipped beam axle to peripheral place that to turn the change of convex surface, surface, image side 712 in dipped beam axle by concave surface be convex surface, and is all aspheric surface.
Second lens 720 are plastic material, and it has negative refracting power.The thing side surface 721 of the second lens 720 is concave surface, surface, image side 722 is convex surface, and is all aspheric surface.
3rd lens 730 are glass material, and it has positive refracting power.The thing side surface 731 of the 3rd lens 730 is all convex surface in dipped beam axle place and surface, image side 732 in dipped beam axle place, and is all aspheric surface.
4th lens 740 are plastic material, and it has negative refracting power.The thing side surface 741 of the 4th lens 740 is concave surface in dipped beam axle place, surface, image side 742 is convex surface in dipped beam axle place, and is all aspheric surface.
5th lens 750 are plastic material, and it has positive refracting power.The thing side surface 751 of the 5th lens 750 is convex surface in dipped beam axle place, surface, image side 752 is concave surface in dipped beam axle place and there is to peripheral place the change being turned convex surface by concave surface by dipped beam axle, and is all aspheric surface.
The material of infrared ray filtering optical filter 770 is glass, and it is arranged between the 5th lens 750 and imaging surface 760, does not affect the focal length of optical image capture system mirror group.
Coordinate with reference to lower list 13 and table ten four.
In 7th embodiment, aspheric fitting equation represents the form as the first embodiment.In addition, f, Fno, HFOV, V3, V4, R6, CT3, f1, f2, Y11, Y52, Yc11, Yc52, Dist_max, tan θ
1, tan θ
2and the definition of FOV is all identical with the first embodiment, not in this to go forth.
Cooperation table ten three can extrapolate following data:
< the 8th embodiment >
With reference to Figure 15 and Figure 16, wherein Figure 15 illustrates the schematic diagram of a kind of optical image capture system mirror group according to eighth embodiment of the invention, and Figure 16 is sequentially spherical aberration, the astigmatism of the optical image capture system mirror group of the 8th embodiment from left to right and distorts curve map.As shown in Figure 15, the optical image capture system mirror group of the 8th embodiment sequentially comprises the first lens 810, second lens 820, aperture 800, the 3rd lens 830, the 4th lens 840, the 5th lens 850, infrared ray filtering optical filter (IRFilter) 870 and imaging surface 860 by thing side to image side.
First lens 810 are plastic material, and it has positive refracting power.The thing side surface 811 of the first lens 810 is concave surface in dipped beam axle place and is had by dipped beam axle to peripheral place that to turn the change of convex surface, surface, image side 812 in dipped beam axle by concave surface be convex surface, and is all aspheric surface.
Second lens 820 are plastic material, and it has negative refracting power.Thing side surface 821 and the surface, image side 822 of the second lens 820 are all concave surface, and are all aspheric surface.
3rd lens 830 are plastic material, and it has positive refracting power.The thing side surface 831 of the 3rd lens 830 is concave surface in dipped beam axle place, surface, image side 832 is convex surface in dipped beam axle place, and is all aspheric surface.
4th lens 840 are plastic material, and it has negative refracting power.The thing side surface 841 of the 4th lens 840 is concave surface in dipped beam axle place, surface, image side 842 is convex surface in dipped beam axle place, and is all aspheric surface.
5th lens 850 are plastic material, and it has positive refracting power.The thing side surface 851 of the 5th lens 850 is convex surface in dipped beam axle place, surface, image side 852 is concave surface in dipped beam axle place and there is to peripheral place the change being turned convex surface by concave surface by dipped beam axle, and is all aspheric surface.
The material of infrared ray filtering optical filter 870 is glass, and it is arranged between the 5th lens 850 and imaging surface 860, does not affect the focal length of optical image capture system mirror group.
Coordinate with reference to lower list 15 and table ten six.
In 8th embodiment, aspheric fitting equation represents the form as the first embodiment.In addition, f, Fno, HFOV, V3, V4, R6, CT3, f1, f2, Y11, Y52, Yc11, Yc52, Dist_max, tan θ
1, tan θ
2and the definition of FOV is all identical with the first embodiment, not in this to go forth.
Cooperation table ten five can extrapolate following data:
< the 9th embodiment >
With reference to Figure 17 and Figure 18, wherein Figure 17 illustrates the schematic diagram of a kind of optical image capture system mirror group according to ninth embodiment of the invention, and Figure 18 is sequentially spherical aberration, the astigmatism of the optical image capture system mirror group of the 9th embodiment from left to right and distorts curve map.As shown in Figure 17, the optical image capture system mirror group of the 9th embodiment sequentially comprises the first lens 910, second lens 920, aperture 900, the 3rd lens 930, the 4th lens 940, the 5th lens 950, infrared ray filtering optical filter (IRFilter) 970 and imaging surface 960 by thing side to image side.
First lens 910 are plastic material, and it has positive refracting power.The thing side surface 911 of the first lens 910 is concave surface in dipped beam axle place and is had by dipped beam axle to peripheral place that to turn the change of convex surface, surface, image side 912 in dipped beam axle by concave surface be convex surface, and is all aspheric surface.
Second lens 920 are plastic material, and it has negative refracting power.The thing side surface 921 of the second lens 920 is convex surface, surface, image side 922 is concave surface, and is all aspheric surface.
3rd lens 930 are plastic material, and it has positive refracting power.The thing side surface 931 of the 3rd lens 930 is concave surface in dipped beam axle place, surface, image side 932 is convex surface in dipped beam axle place, and is all aspheric surface.
4th lens 940 are plastic material, and it has negative refracting power.The thing side surface 941 of the 4th lens 940 is concave surface in dipped beam axle place, surface, image side 942 is convex surface in dipped beam axle place, and is all aspheric surface.
5th lens 950 are plastic material, and it has positive refracting power.The thing side surface 951 of the 5th lens 950 is convex surface in dipped beam axle place, surface, image side 952 is concave surface in dipped beam axle place and there is to peripheral place the change being turned convex surface by concave surface by dipped beam axle, and is all aspheric surface.
The material of infrared ray filtering optical filter 970 is glass, and it is arranged between the 5th lens 950 and imaging surface 960, does not affect the focal length of optical image capture system mirror group.
Coordinate with reference to lower list 17 and table ten eight.
In 9th embodiment, aspheric fitting equation represents the form as the first embodiment.In addition, f, Fno, HFOV, V3, V4, R6, CT3, f1, f2, Y11, Y52, Yc11, Yc52, Dist_max, tan0
1, tan θ
2and the definition of FOV is all identical with the first embodiment, not in this to go forth.
Cooperation table ten seven can extrapolate following data:
Although the present invention discloses as above with embodiment; so itself and be not used to limit the present invention, anyly have the knack of this those skilled in the art, without departing from the spirit and scope of the present invention; when being used for a variety of modifications and variations, therefore protection scope of the present invention is when being as the criterion depending on accompanying Shen the scope of the claims person of defining.
Claims (27)
1. an optical image capture system mirror group, is sequentially comprised to image side by thing side:
One first lens, have refracting power, and its thing side surface is concave surface in dipped beam axle place and there is to peripheral place the change being turned convex surface by concave surface by dipped beam axle, and its surface, image side is convex surface in dipped beam axle place, and its thing side surface and surface, image side are all aspheric surface;
One second lens, have refracting power;
One the 3rd lens, have positive refracting power, and its surface, image side is convex surface in dipped beam axle place;
One the 4th lens, have negative refracting power, and its thing side surface is concave surface in dipped beam axle place, surface, image side is convex surface in dipped beam axle place; And
One the 5th lens, have positive refracting power, and its thing side surface is convex surface in dipped beam axle place, image side is surperficial is concave surface in dipped beam axle place and there is to peripheral place the change being turned convex surface by concave surface by dipped beam axle, and its thing side surface and surface, image side are all aspheric surface;
Wherein in this optical image capture system mirror group, lens add up to five, the image side of the 5th lens on the surface, except with except the intersection point of optical axis, one tangent plane of this surface, image side vertical optical axis, one point of contact on this tangent plane and this surface, image side, the vertical range of this point of contact and optical axis is Yc52, and the optics effective radius on the 5th surface, lens image side is Y52, and it meets following condition:
0.60<|Yc52/Y52|≤1.0。
2. optical image capture system mirror group as claimed in claim 1, wherein the focal length of this optical image capture system mirror group is f, and the focal length of these the first lens is f1, and the focal length of these the second lens is f2, and it meets following condition:
0<|f/f1|+|f/f2|<0.8。
3. optical image capture system mirror group as claimed in claim 1, wherein the optics effective radius of this first lens thing side surface is Y11, and it meets following condition:
0.7<|Y11/Y52|<1.2。
4. optical image capture system mirror group as claimed in claim 1, wherein the image side surface curvature radius of the 3rd lens is R6, and the thickness of the 3rd lens on optical axis is CT3, and it meets following condition:
-1.3<R6/CT3<-0.50。
5. optical image capture system mirror group as claimed in claim 1, on the thing side surface of wherein these the first lens, except with except the intersection point of optical axis, one tangent plane of this thing side surface vertical optical axis, one point of contact of this tangent plane and this thing side surface, the vertical range of this point of contact and optical axis is Yc11, and the optics effective radius of this first lens thing side surface is Y11, and it meets following condition:
0.55<|Yc11/Y11|≤1.0。
6. optical image capture system mirror group as claimed in claim 5, on the thing side surface of wherein these the first lens, this point of contact and this thing side surface are SAGc11 in the horizontal range of optical axes crosspoint, and wherein SAGc11/Yc11 is angle θ
1tangent value tan θ
1, it meets following condition:
0<tanθ
1<0.30。
7. optical image capture system mirror group as claimed in claim 1, wherein these first lens have positive refracting power.
8. optical image capture system mirror group as claimed in claim 7, wherein the abbe number of the 3rd lens is V3, and the abbe number of the 4th lens is V4, and it meets following condition:
25.0<V3-V4<48.0。
9. optical image capture system mirror group as claimed in claim 7, wherein the maximum visual angle of this optical image capture system mirror group is FOV, and it meets following condition:
80 degree of <FOV<115 degree.
10. optical image capture system mirror group as claimed in claim 9, the maximum distortion rate (%) in the areas imaging of wherein this optical image capture system mirror group is Dist_max, and it meets following condition:
|Dist_max|<3％。
11. optical image capture system mirror groups as claimed in claim 7, on the thing side surface of wherein these the first lens, except with except the intersection point of optical axis, one tangent plane of this thing side surface vertical optical axis, one point of contact of this tangent plane and this thing side surface, the vertical range of this point of contact and optical axis is Yc11, and this point of contact and this thing side surface are SAGc11 in the horizontal range of optical axes crosspoint; On the surface, this point of contact and surface, this image side are SAGc52 in the horizontal range of optical axes crosspoint, and wherein SAGc11/Yc11 is angle θ in the image side of the 5th lens
1tangent value tan θ
1, SAGc52/Yc52 is angle θ
2tangent value tan θ
2, it meets following condition:
tanθ
1<tanθ
2。
12. optical image capture system mirror groups as claimed in claim 7, wherein the radius-of-curvature of this first lens thing side surface is Ro1, the radius-of-curvature on this surface, the first lens image side is Ri1, the radius-of-curvature of this second lens thing side surface is Ro2, the radius-of-curvature on this surface, the second lens image side is Ri2, the radius-of-curvature of the 3rd lens thing side surface is Ro3, the radius-of-curvature of the 3rd surface, lens image side is Ri3, the radius-of-curvature of the 4th lens thing side surface is Ro4, the radius-of-curvature of the 4th surface, lens image side is Ri4, the radius-of-curvature of the 5th lens thing side surface is Ro5, the radius-of-curvature of the 5th surface, lens image side is Ri5, it meets following condition:
0<Ro1/Ri1，
0<Ro2/Ri2，
0<Ro3/Ri3，
0<Ro4/Ri4，
0<Ro5/Ri5。
13. 1 kinds of optical image capture system mirror groups, are sequentially comprised to image side by thing side:
One first lens, have refracting power, and its thing side surface is concave surface in dipped beam axle place, and its thing side surface and surface, image side are all aspheric surface;
One second lens, have refracting power;
One the 3rd lens, have positive refracting power;
One the 4th lens, have negative refracting power; And
One the 5th lens, have positive refracting power, and its thing side surface is convex surface in dipped beam axle place, image side is surperficial is concave surface in dipped beam axle place and there is to peripheral place the change being turned convex surface by concave surface by dipped beam axle, and its thing side surface and surface, image side are all aspheric surface;
Wherein, in this optical image capture system mirror group, lens add up to five, and the optics effective radius of this first lens thing side surface is Y11, and the optics effective radius on the 5th surface, lens image side is Y52, and it meets following condition:
0.7<|Y11/Y52|<1.2。
14. optical image capture system mirror groups as claimed in claim 13, wherein the surface, image side of these the first lens is convex surface in dipped beam axle place.
15. optical image capture system mirror groups as claimed in claim 14, wherein there is to peripheral place the change being turned convex surface by concave surface by dipped beam axle in the thing side surface of these the first lens.
16. optical image capture system mirror groups as claimed in claim 14, on the thing side surface of wherein these the first lens, except with except the intersection point of optical axis, one tangent plane of this thing side surface vertical optical axis, one point of contact of this tangent plane and this thing side surface, the vertical range of this point of contact and optical axis is Yc11, and this point of contact and this thing side surface are SAGc11 in the horizontal range of optical axes crosspoint, and wherein SAGc11/Yc11 is angle θ
1tangent value tan θ
1, it meets following condition:
0<tanθ
1<0.30。
17. optical image capture system mirror groups as claimed in claim 14, wherein the focal length of this optical image capture system mirror group is f, and the focal length of these the first lens is f1, and the focal length of these the second lens is f2, and it meets following condition:
0<|f/f1|+|f/f2|<0.8。
18. optical image capture system mirror groups as claimed in claim 17, wherein the abbe number of the 3rd lens is V3, and the abbe number of the 4th lens is V4, and it meets following condition:
32.0<V3-V4<48.0。
19. optical image capture system mirror groups as claimed in claim 17, wherein the thing side surface of the 4th lens is concave surface in dipped beam axle place, image side is surperficial is convex surface in dipped beam axle place.
20. optical image capture system mirror groups as claimed in claim 17, wherein the maximum visual angle of this optical image capture system mirror group is FOV, and it meets following condition:
80 degree of <FOV<115 degree.
21. optical image capture system mirror groups as claimed in claim 17, the maximum distortion rate (%) in the areas imaging of wherein this optical image capture system mirror group is Dist_max, and it meets following condition:
|Dist_max|<3％。
22. optical image capture system mirror groups as claimed in claim 13, on the thing side surface of wherein these the first lens, except with except the intersection point of optical axis, one tangent plane of this thing side surface vertical optical axis, one point of contact of this tangent plane and this thing side surface, the vertical range of this point of contact and optical axis is Yc11, and this point of contact and this thing side surface are SAGc11 in the horizontal range of optical axes crosspoint; The image side of the 5th lens on the surface, except with except the intersection point of optical axis, one tangent plane of this surface, image side vertical optical axis, one point of contact on this tangent plane and this surface, image side, the vertical range of this point of contact and optical axis is Yc52, this point of contact and surface, this image side are SAGc52 in the horizontal range of optical axes crosspoint, and wherein SAGc11/Yc11 is angle θ
1tangent value tan θ
1, SAGc52/Yc52 is angle θ
2tangent value tan θ
2, it meets following condition:
tanθ
1<tanθ
2。
23. 1 kinds of optical image capture system mirror groups, are sequentially comprised to image side by thing side:
One first lens, have refracting power, and its thing side surface is concave surface in dipped beam axle place and there is to peripheral place the change being turned convex surface by concave surface by dipped beam axle, and its thing side surface and surface, image side are all aspheric surface;
One second lens, have refracting power;
One the 3rd lens, have positive refracting power;
One the 4th lens, have negative refracting power; And
One the 5th lens, have positive refracting power, and its thing side surface is convex surface in dipped beam axle place, image side is surperficial is concave surface in dipped beam axle place and there is to peripheral place the change being turned convex surface by concave surface by dipped beam axle, and its thing side surface and surface, image side are all aspheric surface;
Wherein, in this optical image capture system mirror group, lens add up to five, on the thing side surface of these the first lens, except with except the intersection point of optical axis, one tangent plane of this thing side surface vertical optical axis, one point of contact of this tangent plane and this thing side surface, the vertical range of this point of contact and optical axis is Yc11, and this point of contact and this thing side surface are SAGc11 in the horizontal range of optical axes crosspoint; The image side of the 5th lens on the surface, except with except the intersection point of optical axis, one tangent plane of this surface, image side vertical optical axis, one point of contact on this tangent plane and this surface, image side, the vertical range of this point of contact and optical axis is Yc52, this point of contact and surface, this image side are SAGc52 in the horizontal range of optical axes crosspoint, and wherein SAGc11/Yc11 is angle θ
1tangent value tan θ
1, SAGc52/Yc52 is angle θ
2tangent value tan θ
2, it meets following condition:
0<tan θ
1<0.3; And
0<tanθ
2<0.5。
24. optical image capture system mirror groups as claimed in claim 23, wherein the 4th lens thing side surface is concave surface in dipped beam axle place, image side is surperficial is convex surface in dipped beam axle place, and this surface, the first lens image side is convex surface in dipped beam axle place.
25. optical image capture system mirror groups as claimed in claim 23, wherein the optics effective radius of this first lens thing side surface is Y11, and the optics effective radius on the 5th surface, lens image side is Y52, and it meets following condition:
0.7<|Y11/Y52|<1.2。
26. optical image capture system mirror groups as claimed in claim 23, wherein the focal length of this optical image capture system mirror group is f, and the focal length of these the first lens is f1, and the focal length of these the second lens is f2, and it meets following condition:
0<|f/f1|+|f/f2|<0.8。
27. optical image capture system mirror groups as claimed in claim 23, wherein the image side surface curvature radius of the 3rd lens is R6, and the thickness of the 3rd lens on optical axis is CT3, and it meets following condition:
-1.3<R6/CT3<-0.50。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101131585A TWI452329B (en) | 2012-08-30 | 2012-08-30 | Optical image capturing lens assembly |
| TW101131585 | 2012-08-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103676098A CN103676098A (en) | 2014-03-26 |
| CN103676098B true CN103676098B (en) | 2016-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220551669.6U Expired - Lifetime CN202916484U (en) | 2012-08-30 | 2012-10-25 | Optical image capturing lens assembly |
| CN201210413182.6A Active CN103676098B (en) | 2012-08-30 | 2012-10-25 | Optical image capturing lens assembly |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201220551669.6U Expired - Lifetime CN202916484U (en) | 2012-08-30 | 2012-10-25 | Optical image capturing lens assembly |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8743480B2 (en) |
| EP (1) | EP2703864B1 (en) |
| CN (2) | CN202916484U (en) |
| TW (1) | TWI452329B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI452329B (en) * | 2012-08-30 | 2014-09-11 | Largan Precision Co Ltd | Optical image capturing lens assembly |
| TWI467224B (en) * | 2012-11-21 | 2015-01-01 | Largan Precision Co Ltd | Optical image capturing lens system |
| CN103412394B (en) | 2013-03-19 | 2017-05-10 | 玉晶光电(厦门)有限公司 | Portable electronic device and optical imaging lens thereof |
| TWM466268U (en) * | 2013-04-24 | 2013-11-21 | Ability Opto Electronics Technology Co Ltd | Five-piece type imaging lens module |
| US9233510B2 (en) * | 2013-07-22 | 2016-01-12 | GE Lighting Solutions, LLC | Lenses for cosine cubed, typical batwing, flat batwing distributions |
| JP6222564B2 (en) * | 2013-12-27 | 2017-11-01 | コニカミノルタ株式会社 | Imaging lens, lens unit, imaging device, digital still camera, and portable terminal |
| US9182573B1 (en) | 2014-07-02 | 2015-11-10 | Glory Science Co., Ltd. | Imaging lens |
| TWI512326B (en) * | 2014-07-14 | 2015-12-11 | Largan Precision Co Ltd | Photographing optical lens assembly, imaging device and mobile terminal |
| KR102424361B1 (en) * | 2015-02-04 | 2022-07-25 | 삼성전자주식회사 | Photographing lens system and photographing apparatus having the same |
| CN105988192B (en) * | 2015-05-08 | 2018-09-18 | 浙江舜宇光学有限公司 | Wide-angle image camera lens |
| TWI615627B (en) * | 2016-11-18 | 2018-02-21 | 大立光電股份有限公司 | Photographing optical lens system, image capturing unit and electronic device |
| TWI622798B (en) | 2017-08-01 | 2018-05-01 | 大立光電股份有限公司 | Optical image capturing system, imaging apparatus and electronic device |
| US20210231926A1 (en) * | 2020-01-28 | 2021-07-29 | Immervision, Inc. | High resolution miniature wide-angle lens |
| KR102399235B1 (en) | 2020-04-17 | 2022-05-19 | 삼성전기주식회사 | Imaging Lens System |
| TWI803895B (en) * | 2021-06-29 | 2023-06-01 | 先進光電科技股份有限公司 | Optical image capturing system |
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- 2012-11-15 US US13/677,319 patent/US8743480B2/en active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| US20140063621A1 (en) | 2014-03-06 |
| TWI452329B (en) | 2014-09-11 |
| EP2703864A1 (en) | 2014-03-05 |
| CN202916484U (en) | 2013-05-01 |
| TW201250280A (en) | 2012-12-16 |
| US8743480B2 (en) | 2014-06-03 |
| CN103676098A (en) | 2014-03-26 |
| EP2703864B1 (en) | 2015-12-02 |
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